23 lines
757 B
C
23 lines
757 B
C
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/*
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Copyright (c) 2015 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#pragma once
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#include "kernel/expr.h"
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namespace lean {
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/** \brief Create a pre-numeral. We create pre-numerals at parsing time. The elaborator is responsible for
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encoding them using the polymorphic operations zero, one, bit0 and bit1
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\remark Fully elaborated terms do not contain pre-numerals */
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expr mk_prenum(mpz const & v);
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/** \brief Return true iff \c e is a pre-numeral */
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bool is_prenum(expr const & e);
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/** \brief Return the value stored in the pre-numeral
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\pre is_prenum(e) */
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mpz const & prenum_value(expr const & e);
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void initialize_prenum();
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void finalize_prenum();
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}
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